Rolex 24 Hour 2: Barrichello takes lead in BMW
Rubens Barrichello in the No. 7 Starworks Motorsport Riley-Dinan BMW took over the overall lead teamed with IndyCar star Ryan Hunter-Reay.
Other class leaders at the two-hour mark included Stephen Simpson in the No. 85 JDC-Miller Motorsports Oreca FLM09 (Prototype Challenge), Pierre Kaffer in the No. 62 Risi Competizione Ferrari F458 Italia (GT Le Mans) and Jeroen Bleekemolen in the No. 33 Riley Motorsports Dodge Viper GT3-R (GT Daytona).
Hour 2 Standings
| Pos | No. | Class | Name | Laps | Total Tm | Make/Model |
| 1 | 7 | P | Hartley/Barrichello/ Hunter-Reay/Graves/Mayer | 61 | 2:01:27.047 | BMW Power Riley DP |
| 2 | 07 | P | J.Miller/T.Long/Devlin/ Tremblay | 61 | 2:01:49.738 | Mazda Prototype |
| 3 | 02 | P | Dixon/Kanaan/Larson/McMurray | 61 | 2:01:57.849 | Ford EcoBoost DP |
| 4 | 85 | PC | Goikhberg/Miller/Simpson/ Mitchell | 61 | 2:02:00.818 | ORECA FLM09 |
| 5 | 90 | P | Westbrook/Valiante/ Rockenfeller/Cosmo | 61 | 2:02:01.246 | Corvette DP |
| 6 | 10 | P | J.Taylor/R.Taylor/Angelelli | 61 | 2:02:02.469 | Corvette DP |
| 7 | 01 | P | Pruett/Hand/Kimball/Karam | 61 | 2:02:04.533 | Ford EcoBoost DP |
| 8 | 5 | P | Barbosa/Fittipaldi/Bourdais | 61 | 2:02:08.094 | Corvette DP |
| 9 | 60 | P | Pew/Negri/Allmendinger/ McMurry | 61 | 2:02:08.603 | Honda HPD Ligier JS P2 |
| 10 | 57 | P | Krohn/Pla/Jonsson/Brundle | 61 | 2:02:21.559 | Ligier JS P2 Judd |
| 11 | 1 | P | Sharp/Dalziel/Heinemeier Hansson | 61 | 2:02:42.761 | Honda HPD ARX |
| 12 | 38 | PC | French/Mee/Vance/Johnston | 61 | 2:04:21.675 | ORECA FLM09 |
| 13 | 11 | PC | Cumming/Junqueira/Hawksworth/ Menezes | 60 | 2:01:35.462 | ORECA FLM09 |
| 14 | 54 | PC | Bennett/Braun/Wilkins/Gue | 60 | 2:01:44.961 | ORECA FLM09 |
| 15 | 61 | PC | Plowman/Drumwright/Blackstock/ Breukers/Rus | 60 | 2:01:58.014 | ORECA FLM09 |
| 16 | 62 | GTLM | Kaffer/Rigon/Fisichella/ Beretta | 60 | 2:01:58.358 | Ferrari F458 Italia |
| 17 | 24 | GTLM | J.Edwards/Luhr/Klingmann/ Rahal | 60 | 2:01:59.907 | BMW Z4 GTE |
| 18 | 16 | PC | Mowlem/Papadopoulos/Drissi/ Alder/Plowman | 60 | 2:02:04.836 | ORECA FLM09 |
| 19 | 70 | P | Bomarito/Nunez/Hinchcliffe/ Tremblay | 60 | 2:02:08.978 | Mazda Prototype |
| 20 | 98 | GTLM | Lamy/Dalla Lana/Turner/ Mucke/Lauda | 60 | 2:02:43.326 | Aston Martin Vantage V8 |
| 21 | 33 | GTD | Keating/J.Bleekemolen/Carter/ Goossens/S.Ble | 60 | 2:02:46.378 | Dodge Viper SRT |
| 22 | 007 | GTD | Nielsen/Davison/Nygaard/Davis | 60 | 2:02:52.511 | Aston Martin V12 Vantage |
| 23 | 4 | GTLM | Gavin/Milner/Pagenaud | 60 | 2:02:53.599 | Chevrolet Corvette C7.R |
| 24 | 3 | GTLM | Magnussen/Garcia/Briscoe | 60 | 2:02:55.902 | Chevrolet Corvette C7.R |
| 25 | 93 | GTD | Keating/D.Farnbacher/Carter/ Wittmer/Lawrenc | 60 | 2:02:56.409 | Dodge Viper SRT |
| 26 | 28 | GTD | Bachler/Zoechling/Engelhart/ Willsey/Ineichen | 60 | 2:02:57.500 | Porsche 911 GT America |
| 27 | 911 | GTLM | Tandy/Pilet/Lieb/Christensen | 60 | 2:03:01.932 | Porsche 911 RSR |
| 28 | 49 | GTD | Lathouras/Rugolo/Aguas/ Griffin | 60 | 2:03:04.407 | Ferrari 458 Italia |
| 29 | 63 | GTD | Sweedler/T.Bell/Lazzaro/Segal | 60 | 2:03:04.615 | Ferrari 458 Italia |
| 30 | 17 | GTLM | Henzler/Sellers/P.Long | 60 | 2:03:29.298 | Porsche 991 RSR |
| 31 | 44 | GTD | Potter/Lally/Seefried/ Ragginger | 59 | 2:01:32.794 | Porsche 911 GT America |
| 32 | 48 | GTD | Haase/B.Miller/von Moltke/Rast | 59 | 2:01:33.100 | Audi R8 LMS |
| 33 | 8 | PC | Schultis/van der Zande/Popow/ Hedlund/Albuqu | 59 | 2:01:34.822 | ORECA FLM09 |
| 34 | 22 | GTD | MacNeil/L.Keen/A.Davis/ van Gisbergen | 59 | 2:01:38.103 | Porsche 911 GT America |
| 35 | 66 | P | Gewirtz/S.Lewis/Kvamme/Cheng | 59 | 2:01:52.083 | BMW Power Riley DP |
| 36 | 64 | GTD | Longo/Serra/Gomes/Bertolini | 59 | 2:02:22.217 | Ferrari 458 Italia |
| 37 | 73 | GTD | Lindsey/Pumpelly/Norman/ N. Canache/Estre | 59 | 2:02:22.838 | Porsche 911 GT America |
| 38 | 81 | GTD | Faulkner/Giermaziak/Skeen/ Butcher/Avenatti | 59 | 2:02:26.303 | Porsche 911 GT America |
| 39 | 25 | GTLM | Auberlen/Werner/Farfus/ Spengler | 59 | 2:02:36.643 | BMW Z4 GTE |
| 40 | 51 | GTLM | Perrodo/Collard/Bruni/Vilander | 59 | 2:02:43.343 | Ferrari 458 Italia |
| 41 | 18 | GTD | Basseng/M.Beretta/O'Young/ De Phillippi/Mayr- | 58 | 2:01:33.829 | Porsche 911 GT America |
| 42 | 009 | GTD | DeBoer/Riddle/Salazar/Wilson | 58 | 2:01:57.733 | Aston Martin V12 Vantage |
| 43 | 23 | GTD | James/M.Farnbacher/Riberas | 56 | 2:01:32.693 | Porsche 911 GT America |
| 44 | 50 | P | Pace/DeFoor/Hinton/ Schroeder | 56 | 2:02:12.419 | BMW Power Riley DP |
| 45 | 912 | GTLM | Bergmeister/Bamber/Makowiecki/ Christensen | 55 | 2:02:03.222 | Porsche 911 RSR |
| 46 | 52 | PC | Guasch/Novich/Palmer/ Kimber-Smith | 55 | 2:02:40.773 | ORECA FLM09 |
| 47 | 58 | GTD | Snow/Heylen/Dempsey/Eng | 54 | 2:03:07.137 | Porsche 911 GT America |
| 48 | 19 | GTD | J.Michaelian/Lira/Flores/ De Phillippi/Mayr-Mel | 50 | 2:01:40.163 | Porsche 911 GT America |
| 49 | 2 | P | Brown/van Overbeek/Fogarty | 49 | 1:40:42.753 | Honda HPD ARX |
| 50 | 31 | P | Curran/Cameron/Papis/P.Keen | 44 | 2:02:09.151 | Corvette DP |
| 51 | 0 | P | Rojas/Legge/Chaves/Meyrick | 42 | 1:21:55.380 | DeltaWing DWC13 |
| 52 | 97 | GTD | Marsal/Palttala/Priaulx/Said | 36 | 1:15:43.908 | BMW Z4 |
| 53 | 45 | GTD | Winkelhock/Thorne/Hoshino/ Fujii | 28 | 2:01:34.014 | Audi R8 LMS |